499761 has 6 divisors (see below), whose sum is σ = 721890. Its totient is φ = 333168.

The previous prime is 499747. The next prime is 499781. The reversal of 499761 is 167994.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 230400 = 519^2 + 480^2 .

It is not a de Polignac number, because 499761 - 2⁵ = 499729 is a prime.

It is a super-2 number, since 2×499761² = 499522114242, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499761.

It is not an unprimeable number, because it can be changed into a prime (499711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27756 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (120315).

2⁴⁹⁹⁷⁶¹ is an apocalyptic number.

It is an amenable number.

499761 is a deficient number, since it is larger than the sum of its proper divisors (222129).

499761 is a wasteful number, since it uses less digits than its factorization.

499761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55535 (or 55532 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 499761 is about 706.9377624657. The cubic root of 499761 is about 79.3574042879.

The spelling of 499761 in words is "four hundred ninety-nine thousand, seven hundred sixty-one".